494700009840 has 120 divisors (see below), whose sum is σ = 1733600962080. Its totient is φ = 126184346112.

The previous prime is 494700009833. The next prime is 494700009857. The reversal of 494700009840 is 48900007494.

494700009840 is a `hidden beast` number, since 494 + 70 + 0 + 0 + 0 + 98 + 4 + 0 = 666.

494700009840 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14920035 + ... + 14953154.

It is an arithmetic number, because the mean of its divisors is an integer number (14446674684).

Almost surely, 2^494700009840 is an apocalyptic number.

494700009840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

494700009840 is an abundant number, since it is smaller than the sum of its proper divisors (1238900952240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494700009840 is a wasteful number, since it uses less digits than its factorization.

494700009840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29873231 (or 29873222 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 494700009840 in words is "four hundred ninety-four billion, seven hundred million, nine thousand, eight hundred forty".